We study in detail the first three leading terms of the large coupling-strength limit of the adiabatic connection that has as weak-interaction expansion the Møller–Plesset perturbation theory. We first focus on the H atom, both in the spin-polarized and the spin-unpolarized cases, reporting numerical and analytical results. In particular, we derive an asymptotic equation that turns out to have simple analytical solutions for certain channels. The asymptotic H atom solution for the spin-unpolarized case is then shown to be variationally optimal for the many-electron spin-restricted closed-shell case, providing expressions for the large coupling-strength density functionals up to the third leading order. We also analyze the H2 molecule and the uniform electron gas.
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7 December 2020
Research Article|
December 04 2020
Large coupling-strength expansion of the Møller–Plesset adiabatic connection: From paradigmatic cases to variational expressions for the leading terms
Kimberly J. Daas
;
Kimberly J. Daas
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
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Juri Grossi
;
Juri Grossi
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
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Stefan Vuckovic
;
Stefan Vuckovic
2
Department of Chemistry, University of California
, Irvine, California 92697, USA
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Ziad H. Musslimani;
Ziad H. Musslimani
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
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Derk P. Kooi
;
Derk P. Kooi
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
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Michael Seidl;
Michael Seidl
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
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Klaas J. H. Giesbertz
;
Klaas J. H. Giesbertz
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
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Paola Gori-Giorgi
Paola Gori-Giorgi
a)
1
Department of Chemistry and Pharmaceutical Sciences, Amsterdam Institute of Molecular and Life Sciences (AIMMS), Faculty of Science, Vrije Universiteit
, De Boelelaan 1083, 1081HV Amsterdam, The Netherlands
a)Author to whom correspondence should be addressed: p.gorigiorgi@vu.nl
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a)Author to whom correspondence should be addressed: p.gorigiorgi@vu.nl
J. Chem. Phys. 153, 214112 (2020)
Article history
Received:
September 09 2020
Accepted:
November 11 2020
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Citation
Kimberly J. Daas, Juri Grossi, Stefan Vuckovic, Ziad H. Musslimani, Derk P. Kooi, Michael Seidl, Klaas J. H. Giesbertz, Paola Gori-Giorgi; Large coupling-strength expansion of the Møller–Plesset adiabatic connection: From paradigmatic cases to variational expressions for the leading terms. J. Chem. Phys. 7 December 2020; 153 (21): 214112. https://doi.org/10.1063/5.0029084
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